212100123122102 has 32 divisors (see below), whose sum is σ = 336132709701120. Its totient is φ = 100211824978720.

The previous prime is 212100123122101. The next prime is 212100123122123. The reversal of 212100123122102 is 201221321001212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100123122101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99664577 + ... + 101770467.

It is an arithmetic number, because the mean of its divisors is an integer number (10504147178160).

Almost surely, 2^{212100123122102} is an apocalyptic number.

212100123122102 is a deficient number, since it is larger than the sum of its proper divisors (124032586579018).

212100123122102 is a wasteful number, since it uses less digits than its factorization.

212100123122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142916.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212100123122102 its reverse (201221321001212), we get a palindrome (413321444123314).

The spelling of 212100123122102 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred two".